horizontal printing
21Sentence spacing — Double sentence spaced typewriter text (1946) vs. single sentence spaced typeset text (1979) Sentence spacing is the horizontal space between sentences in typeset text. It is a matter of typographical convention …
22Ming (typeface) — Infobox font name = Ming familyname = Ming style = Serif classifications = creator = commissioned by = foundry = foundries = creationdate = Song Dynasty releasedate = trademark = based on = aka = Song variations = imitated Song sample = shown… …
23Science and mathematics from the Renaissance to Descartes — George Molland Early in the nineteenth century John Playfair wrote for the Encyclopaedia Britannica a long article entitled ‘Dissertation; exhibiting a General View of the Progress of Mathematics and Physical Science, since the Revival of Letters …
24Medieval technology — Pumhart von Steyr, a 15th century supergun …
25Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
26Computer keyboard — A key being pressed on a computer keyboard. In computing, a keyboard is a typewriter style keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches. Following the decline of punch cards and paper… …
27Control character — In computing and telecommunication, a control character or non printing character is a code point (a number) in a character set, that does not in itself represent a written symbol. It is in band signaling in the context of character encoding. All …
28Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …
29Fax — For other uses, see Fax (disambiguation). A Samsung fax machine Fax (short for facsimile), sometimes called telecopying, is the telephonic transmission of scanned printed material (both text and images), normally to a telephone number connected… …
30Serif — For other uses, see Serif (disambiguation). Sans serif font Serif font …
